#!/bin/bash

function s1_hello(){
echo "hello,wrold!"
}
s1_hello

function s2_tell_who_i_am(){
echo "Enter you name:"
read uer_name
echo "uer name is $uer_name"
}
s2_tell_who_i_am

function which_distro_do_i_use(){
NAME="Beta Linux"
echo $NAME
}
which_distro_do_i_use

function view_my_cpu_arch() {
uname -m
}
view_my_cpu_arch

function show_first_scsi_disk_size() {
    lsblk -l | \grep disk | \grep '^sda ' |awk '{print $4}'
}
show_first_scsi_disk_size

function show_main_memory_size_in_megabytes() {
    free -m |grep "Mem:" |awk '{print $2}'
}
show_main_memory_size_in_megabytes

